120113231100 has 72 divisors (see below), whose sum is σ = 348218962560. Its totient is φ = 31966476480.

The previous prime is 120113231093. The next prime is 120113231149. The reversal of 120113231100 is 1132311021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120113231100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 247090 + ... + 548889.

It is an arithmetic number, because the mean of its divisors is an integer number (4836374480).

Almost surely, 2^120113231100 is an apocalyptic number.

120113231100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120113231100 is an abundant number, since it is smaller than the sum of its proper divisors (228105731460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120113231100 is a wasteful number, since it uses less digits than its factorization.

120113231100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796499 (or 796492 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 120113231100 its reverse (1132311021), we get a palindrome (121245542121).

The spelling of 120113231100 in words is "one hundred twenty billion, one hundred thirteen million, two hundred thirty-one thousand, one hundred".